Town guide
Osterdock
A city of 43 people in Iowa
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About Osterdock
City in Iowa, United States1877Established
43Population
0.5 sq miArea
640 ftElevation
Osterdock is a city located in Clayton County, Iowa, United States. As of the 2020 census, the city had a total population of 43, down from 50 in 2000.
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Living in Osterdock
Health in Osterdock
Compared with Iowa
2better than IA·12worse
of 32 measures CDC estimates. The other 18 are too close to call.
BetterToo close to callWorse
What stands out
Care nearby
Guttenberg Municipal HospitalGuttenberg · 4.8 mi · ER · rural critical access
Scenic Bluffs Health Centers, Inc - Prairie Du ChienPrairie Du Chien · 22.2 mi · sliding-scale fees
Primary careShortage · county-wide
DentalShortage · county-wide
Mental healthShortage · county-wide
CDC PLACES 2025 · modeled estimates for adults · ZIP codes 52052, 52035 · CMS · HRSAHealth in Osterdock →
Natural hazards in Osterdock
High
Expected storm and flood damage is higher than in 79% of U.S. communities.
🌊 Inland flooding🌪️ Tornadoes🧊 Hail
FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Osterdock →
Climate in Osterdock
Full climate →Osterdock has cold, snowy winters and pleasant summers. A typical July afternoon reaches 83°, a January night drops to 10°, and about 34 inches of snow falls in a normal winter.
30° / 14°Winter
58° / 37°Spring
81° / 61°Summer
60° / 40°Fall
NOAA U.S. Climate Normals, 1991–2020Climate in Osterdock →
Libraries near Osterdock
See all →Nearest: Guttenberg Public LibraryGuttenberg · 4.6 miles · 38 hrs a week
Famous people close to Osterdock
See all 29 →
Where Osterdock is
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Location map
Iowa · IATown boundary on OpenStreetMap →
How things work in Osterdock
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